High-harmonic generation from an atomically thin semiconductor [Observation of high harmonics from an atomically thin semiconductor]

Liu, Hanzhe; Li, Yilei; You, Yong Sing; Ghimire, Shambhu; Heinz, Tony F.; Reis, David A.

doi:10.1038/NPHYS3946

Title: High-harmonic generation from an atomically thin semiconductor [Observation of high harmonics from an atomically thin semiconductor]

Abstract

High-harmonic generation (HHG) in bulk solids permits the exploration of materials in a new regime of strong fields and attosecond timescales. The generation process has been discussed in the context of strongly driven electron dynamics in single-particle bands. Two-dimensional materials exhibit distinctive electronic properties compared to the bulk that could significantly modify the HHG process, including different symmetries, access to individual valleys and enhanced many-body interactions. Here we demonstrate non-perturbative HHG from a monolayer MoS₂ crystal, with even and odd harmonics extending to the 13th order. The even orders are predominantly polarized perpendicular to the pump and are compatible with the anomalous transverse intraband current arising from the material’s Berry curvature, while the weak parallel component suggests the importance of interband transitions. The odd harmonics exhibit a significant enhancement in efficiency per layer compared to the bulk, which is attributed to correlation effects. In conclusion, the combination of strong many-body Coulomb interactions and widely tunable electronic properties in two-dimensional materials offers a new platform for attosecond physics.

Authors:

Liu, Hanzhe ^[1]; Li, Yilei ^[1]; You, Yong Sing ^[2]; Ghimire, Shambhu ^[2]; Heinz, Tony F. ^[1]; Reis, David A. ^[1]

SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
SLAC National Accelerator Lab., Menlo Park, CA (United States)

Publication Date:: Mon Nov 14 00:00:00 EST 2016

Research Org.:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1353193

Grant/Contract Number:: AC02-76SF00515

Resource Type:: Accepted Manuscript

Journal Name:: Nature Physics

Additional Journal Information:: Journal Volume: 13; Journal Issue: 3; Journal ID: ISSN 1745-2473

Publisher:: Nature Publishing Group (NPG)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Liu, Hanzhe, Li, Yilei, You, Yong Sing, Ghimire, Shambhu, Heinz, Tony F., and Reis, David A. High-harmonic generation from an atomically thin semiconductor [Observation of high harmonics from an atomically thin semiconductor].  United States: N. p., 2016. 
Web.  doi:10.1038/NPHYS3946.

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                    Liu, Hanzhe, Li, Yilei, You, Yong Sing, Ghimire, Shambhu, Heinz, Tony F., & Reis, David A. High-harmonic generation from an atomically thin semiconductor [Observation of high harmonics from an atomically thin semiconductor].  United States.  https://doi.org/10.1038/NPHYS3946

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                    Liu, Hanzhe, Li, Yilei, You, Yong Sing, Ghimire, Shambhu, Heinz, Tony F., and Reis, David A. Mon .  
"High-harmonic generation from an atomically thin semiconductor [Observation of high harmonics from an atomically thin semiconductor]".  United States.  https://doi.org/10.1038/NPHYS3946.  https://www.osti.gov/servlets/purl/1353193.

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@article{osti_1353193,

  title        = {High-harmonic generation from an atomically thin semiconductor [Observation of high harmonics from an atomically thin semiconductor]},

  author       = {Liu, Hanzhe and Li, Yilei and You, Yong Sing and Ghimire, Shambhu and Heinz, Tony F. and Reis, David A.},

  abstractNote = {High-harmonic generation (HHG) in bulk solids permits the exploration of materials in a new regime of strong fields and attosecond timescales. The generation process has been discussed in the context of strongly driven electron dynamics in single-particle bands. Two-dimensional materials exhibit distinctive electronic properties compared to the bulk that could significantly modify the HHG process, including different symmetries, access to individual valleys and enhanced many-body interactions. Here we demonstrate non-perturbative HHG from a monolayer MoS2 crystal, with even and odd harmonics extending to the 13th order. The even orders are predominantly polarized perpendicular to the pump and are compatible with the anomalous transverse intraband current arising from the material’s Berry curvature, while the weak parallel component suggests the importance of interband transitions. The odd harmonics exhibit a significant enhancement in efficiency per layer compared to the bulk, which is attributed to correlation effects. In conclusion, the combination of strong many-body Coulomb interactions and widely tunable electronic properties in two-dimensional materials offers a new platform for attosecond physics.},

  doi          = {10.1038/NPHYS3946},

  journal      = {Nature Physics},

  number       = 3,

  volume       = 13,

  place        = {United States},

  year         = {Mon Nov 14 00:00:00 EST 2016},

  month        = {Mon Nov 14 00:00:00 EST 2016}

}

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Sato, Shunsuke; Hübener, Hannes; De Giovannini, Umberto
Applied Sciences, Vol. 8, Issue 10
DOI: 10.3390/app8101777

Interference-Induced Phenomena in High-Order Harmonic Generation from Bulk Solids
journal, April 2019

Szaszkó-Bogár, Viktor; Földi, Péter; Magashegyi, István
Applied Sciences, Vol. 9, Issue 8
DOI: 10.3390/app9081572

Nonlinear Optics with 2D Layered Materials
journal, March 2018

Autere, Anton; Jussila, Henri; Dai, Yunyun
Advanced Materials, Vol. 30, Issue 24
DOI: 10.1002/adma.201705963

Polarization-state-resolved high-harmonic spectroscopy of solids
journal, March 2019

Klemke, N.; Tancogne-Dejean, N.; Rossi, G. M.
Nature Communications, Vol. 10, Issue 1
DOI: 10.1038/s41467-019-09328-1

High-harmonic spectroscopy of ultrafast many-body dynamics in strongly correlated systems
journal, March 2018

Silva, R. E. F.; Blinov, Igor V.; Rubtsov, Alexey N.
Nature Photonics, Vol. 12, Issue 5
DOI: 10.1038/s41566-018-0129-0

Interferometry of dipole phase in high harmonics from solids
journal, December 2018

Lu, Jian; Cunningham, Eric F.; You, Yong Sing
Nature Photonics, Vol. 13, Issue 2
DOI: 10.1038/s41566-018-0326-x

Contribution of Floquet-Bloch states to high-order harmonic generation in solids
journal, July 2019

Jin, Jian-Zhao; Liang, Hao; Xiao, Xiang-Ru
Physical Review A, Vol. 100, Issue 1
DOI: 10.1103/physreva.100.013412

Non-Markovian pure dephasing in a dielectric excited by a few-cycle laser pulse
journal, October 2019

Kruchinin, Stanislav Yu.
Physical Review A, Vol. 100, Issue 4
DOI: 10.1103/physreva.100.043839

Subband picture of high-harmonic generation in solids
journal, August 2019

Tamaya, Tomohiro; Kato, Takeo
Physical Review B, Vol. 100, Issue 8
DOI: 10.1103/physrevb.100.081203

High harmonic generation in crystals using maximally localized Wannier functions
journal, November 2019

Silva, R. E. F.; Martín, F.; Ivanov, M.
Physical Review B, Vol. 100, Issue 19
DOI: 10.1103/physrevb.100.195201

High-Harmonic Generation in Mott Insulators
journal, August 2018

Murakami, Yuta; Eckstein, Martin; Werner, Philipp
Physical Review Letters, Vol. 121, Issue 5
DOI: 10.1103/PhysRevLett.121.057405

Atomic-like high-harmonic generation from two-dimensional materials
journal, February 2018

Tancogne-Dejean, Nicolas; Rubio, Angel
Science Advances, Vol. 4, Issue 2
DOI: 10.1126/sciadv.aao5207

Crystal Symmetry and Polarization of High-order Harmonics in ZnO
text, January 2018

Jiang, Shicheng; Gholam-Mirzaei, Shima; Crites, Erin
Unpublished
DOI: 10.13140/rg.2.2.31572.96643

Attosecond spectral singularities in solid-state high-harmonic generation
conference, January 2020

Uzan, Ayelet Julie; Orenstein, Gal; Bruner, Barry D.
The 22nd International Conference on Ultrafast Phenomena 2020
DOI: 10.1364/up.2020.th3b.1

Ellipticity dependence of high-harmonic generation in solids originating from coupled intraband and interband dynamics
text, January 2017

Tancogne-Dejean, Nicolas; Muecke, Oliver; Kärtner, Franz X.
Deutsches Elektronen-Synchrotron, DESY, Hamburg
DOI: 10.3204/pubdb-2017-11098

Symphony on strong field approximation
text, January 2019

Amini, Kasra; Biegert, Jens; Calegari, Francesca
Deutsches Elektronen-Synchrotron, DESY, Hamburg
DOI: 10.3204/pubdb-2020-00145

Measurement of the Berry curvature of solids using high-harmonic spectroscopy
text, January 2018

Luu, Tran T.; Wörner, Hans Jakob
ETH Zurich
DOI: 10.3929/ethz-b-000250083

Symmetry-controlled temporal structure of high-harmonic carrier fields from a bulk crystal
text, January 2017

Langer, Fabian; Hohenleutner, Matthias; Huttner, U.
Universität Regensburg
DOI: 10.5283/epub.36820

Lightwave valleytronics in a monolayer of tungsten diselenide
text, January 2018

Langer, Fabian; Schmid, Christoph P.; Schlauderer, Stefan
Universität Regensburg
DOI: 10.5283/epub.37961

Symmetry-controlled temporal structure of high-harmonic carrier fields from a bulk crystal
journal, March 2017

Langer, F.; Hohenleutner, M.; Huttner, U.
Nature Photonics, Vol. 11, Issue 4
DOI: 10.1038/nphoton.2017.29

Symphony on strong field approximation
journal, October 2019

Amini, Kasra; Biegert, Jens; Calegari, Francesca
Reports on Progress in Physics, Vol. 82, Issue 11
DOI: 10.1088/1361-6633/ab2bb1

Attosecond temporal confinement of interband excitation by intraband motion
journal, January 2019

Song, Xiaohong; Zuo, Ruixin; Yang, Shidong
Optics Express, Vol. 27, Issue 3
DOI: 10.1364/oe.27.002225

Broadband, electrically tuneable, third harmonic generation in graphene
journal, May 2018

Soavi, Giancarlo; Wang, G.; Rostami, H.
Nature Nanotechnology, Vol. 13, p. 583-588
DOI: 10.17863/cam.20288

Extreme-ultraviolet high-harmonic generation in liquids
text, January 2018

Luu, Tran; Yin, Zhong; Jain, Arohi
ETH Zurich
DOI: 10.3929/ethz-b-000293133

Symmetry-controlled temporal structure of high-harmonic carrier fields from a bulk crystal
text, January 2017

Langer, Fabian; Hohenleutner, Matthias; Huttner, U.
Universität Regensburg
DOI: 10.5283/epub.35389

Subcycle observation of lightwave-driven Dirac currents in a topological surface band
text, January 2018

Reimann, J.; Schlauderer, Stefan; Schmid, Christof
Universität Regensburg
DOI: 10.5283/epub.37965

Subcycle Observation of Lightwave-Driven Dirac Currents in a Topological Surface Band
conference, June 2019

Schlauderer, Stefan; Gudde, Jens; Huber, Rupert
2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
DOI: 10.1109/cleoe-eqec.2019.8873027

Polarization-state-resolved high-harmonic spectroscopy of solids
text, January 2019

Rossi, Giulio Maria; Yang, Y.; Scheiba, F.
Deutsches Elektronen-Synchrotron, DESY, Hamburg
DOI: 10.3204/pubdb-2019-01359

Ultra-strong nonlinear optical processes and trigonal warping in MoS$_2$ layers
text, January 2016

Säynätjoki, A.; Karvonen, L.; Rostami, H.
arXiv
DOI: 10.48550/arxiv.1608.04101

Time-dependent Hartree-Fock study of electron-hole interaction effects on high-harmonic generation from periodic crystals
text, January 2017

Ikemachi, Takuya; Shinohara, Yasushi; Sato, Takeshi
arXiv
DOI: 10.48550/arxiv.1709.08153

Ultrafast modification of Hubbard $U$ in a strongly correlated material: ab initio high-harmonic generation in NiO
text, January 2017

Tancogne-Dejean, Nicolas; Sentef, Michael A.; Rubio, Angel
arXiv
DOI: 10.48550/arxiv.1712.01067

High-Harmonic Generation in Mott Insulators
text, January 2017

Murakami, Yuta; Eckstein, Martin; Werner, Philipp
arXiv
DOI: 10.48550/arxiv.1712.06460

Strain-controlled high harmonic generation with Dirac fermions in silicene
text, January 2018

Qin, Rui; Chen, Zi-Yu
arXiv
DOI: 10.48550/arxiv.1805.10773

Circularly polarized extreme ultraviolet high harmonic generation in graphene
text, January 2018

Chen, Zi-Yu; Qin, Rui
arXiv
DOI: 10.48550/arxiv.1808.07346

Optical harmonic generation in monolayer group-VI transition metal dichalcogenides
text, January 2018

Autere, Anton; Jussila, Henri; Marini, Andrea
arXiv
DOI: 10.48550/arxiv.1808.09494

Coherent electron trajectory control in graphene
text, January 2018

Heide, Christian; Higuchi, Takuya; Weber, Heiko B.
arXiv
DOI: 10.48550/arxiv.1811.07047

Interband resonant high-harmonic generation by valley polarized electron-hole pairs
text, January 2019

Yoshikawa, Naotaka; Nagai, Kohei; Uchida, Kento
arXiv
DOI: 10.48550/arxiv.1902.03421

All-optical measurement of high-order fractional molecular echoes by high-order harmonic generation
text, January 2019

Wang, Baoning; He, Lixin; He, Yanqing
arXiv
DOI: 10.48550/arxiv.1909.10514

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Title: High-harmonic generation from an atomically thin semiconductor [Observation of high harmonics from an atomically thin semiconductor]

Abstract

Citation Formats

Strong-Field Perspective on High-Harmonic Radiation from Bulk Solids journal, November 2014

Linking high harmonics from gases and solids journal, June 2015

Generation and propagation of high-order harmonics in crystals journal, April 2012

The indirect to direct band gap transition in multilayered MoS 2 as predicted by screened hybrid density functional theory journal, December 2011

Observation of high-order harmonic generation in a bulk crystal journal, December 2010

Extreme ultraviolet high-harmonic spectroscopy of solids journal, May 2015

Tightly Bound Excitons in Monolayer WSe 2 journal, July 2014

Real-time observation of interfering crystal electrons in high-harmonic generation journal, July 2015

High-harmonic generation from Bloch electrons in solids journal, April 2015

Theoretical description of high-order harmonic generation in solids journal, February 2013

Emerging Photoluminescence in Monolayer MoS2 journal, April 2010

Spin and pseudospins in layered transition metal dichalcogenides journal, April 2014

High harmonics generated in semiconductor nanostructures by the coupled dynamics of optical inter- and intraband excitations journal, February 2008

Semiclassical analysis of high harmonic generation in bulk crystals journal, February 2015

Theoretical Analysis of High-Harmonic Generation in Solids journal, August 2014

Probing excitonic dark states in single-layer tungsten disulphide journal, August 2014

Atomically Thin MoS2 A New Direct-Gap Semiconductor journal, September 2010

Solid-state harmonics beyond the atomic limit journal, June 2016

Tightly bound trions in monolayer MoS2 journal, December 2012

All-Optical Reconstruction of Crystal Band Structure journal, November 2015

Effect of multiple conduction bands on high-harmonic emission from dielectrics journal, January 2015

The valley Hall effect in MoS2 transistors journal, June 2014

Second harmonic microscopy of monolayer MoS 2 journal, April 2013

Sub-cycle control of terahertz high-harmonic generation by dynamical Bloch oscillations journal, January 2014

Probing Symmetry Properties of Few-Layer MoS 2 and h-BN by Optical Second-Harmonic Generation journal, June 2013

Exciton Binding Energy and Nonhydrogenic Rydberg Series in Monolayer WS 2 journal, August 2014

High harmonic generation in undoped graphene: Interplay of inter- and intraband dynamics journal, December 2014

Observation of intense second harmonic generation from MoS 2 atomic crystals journal, May 2013

Berry phase effects on electronic properties journal, July 2010

Graphene in ultrafast and superstrong laser fields journal, January 2015

Real-time Observation of interfering Crystal electroncs in high-harmonic Generation text, January 2015

Probing Excitonic Dark States in Single-layer Tungsten Disulfide text, January 2014

High harmonic generation in undoped graphene: Interplay of inter- and intraband dynamics text, January 2014

The Effect of Multiple Conduction Bands on High Harmonic Emission from Dielectrics text, January 2014

A Simple Method for Synthesis of High-Quality Millimeter-Scale 1T′ Transition-Metal Telluride and Near-Field Nanooptical Properties journal, August 2017

Interface Characterization and Control of 2D Materials and Heterostructures journal, July 2018

Universal Imaging of Full Strain Tensor in 2D Crystals with Third‐Harmonic Generation journal, March 2019

Electronic Structure Characterization of Soft Semiconductors journal, June 2019

Photoexcitation in Solids: First-Principles Quantum Simulations by Real-Time TDDFT journal, July 2018

Nonlinear optics of two‐dimensional transition metal dichalcogenides journal, July 2019

Ultrahigh Off-Resonant Field Effects in Semiconductors: Ultrahigh Off-Resonant Field Effects in Semiconductors journal, July 2017

Plasmonic Enhancement and Manipulation of Optical Nonlinearity in Monolayer Tungsten Disulfide journal, August 2018

Strain effect on the orientation-dependent harmonic spectrum of monolayer aluminum nitride journal, December 2019

Rapid visualization of grain boundaries in monolayer MoS2 by multiphoton microscopy journal, June 2017

Ultra-strong nonlinear optical processes and trigonal warping in MoS2 layers journal, October 2017

Ellipticity dependence of high-harmonic generation in solids originating from coupled intraband and interband dynamics journal, September 2017

The roles of photo-carrier doping and driving wavelength in high harmonic generation from a semiconductor journal, November 2017

Measurement of the Berry curvature of solids using high-harmonic spectroscopy journal, March 2018

Generating high-order optical and spin harmonics from ferromagnetic monolayers journal, August 2018

Extreme–ultraviolet high–harmonic generation in liquids journal, September 2018

Interband resonant high-harmonic generation by valley polarized electron–hole pairs journal, August 2019

High-harmonic generation from spin-polarised defects in solids journal, January 2020

Broadband, electrically tunable third-harmonic generation in graphene journal, May 2018

Topological strong-field physics on sub-laser-cycle timescale journal, September 2019

Attosecond spectral singularities in solid-state high-harmonic generation journal, January 2020

Enhanced high-harmonic generation from an all-dielectric metasurface journal, August 2018

High-harmonic generation from solids journal, November 2018

High-harmonic generation from an epsilon-near-zero material journal, July 2019

Lightwave valleytronics in a monolayer of tungsten diselenide journal, May 2018

Subcycle observation of lightwave-driven Dirac currents in a topological surface band journal, September 2018

All semiconductor enhanced high-harmonic generation from a single nanostructured cone journal, April 2019

Strain-controlled high harmonic generation with Dirac fermions in silicene journal, January 2018

Strong-field nonlinear optical properties of monolayer black phosphorus journal, January 2019

High-order harmonic generation from 2D periodic potentials in circularly and bichromatic circularly polarized laser fields journal, October 2018

Highly nonlinear BiOBr nanoflakes for hybrid integrated photonics journal, September 2019

Toward attosecond control of electron dynamics in two-dimensional materials journal, January 2020

High order harmonic generation in solids: a review on recent numerical methods journal, January 2019

Merge of high harmonic generation from gases and solids and its implications for attosecond science journal, March 2017

Nanoengineering of strong field processes in solids journal, March 2018

Probing periodic potential of crystals via strong-field re-scattering journal, May 2018

Crystal symmetry and polarization of high-order harmonics in ZnO journal, October 2019

Interaction of carrier envelope phase-stable laser pulses with graphene: the transition from the weak-field to the strong-field regime journal, April 2019

Probing the dephasing time of crystals via spectral properties of high-order harmonic generation journal, November 2019

Floquet-Bloch shifts in two-band semiconductors interacting with light journal, June 2017

Effect of transition dipole phase on high-order-harmonic generation in solid materials journal, November 2017

Orientation dependence of high-order harmonic generation in nanowire journal, March 2019

Wave mixing and high harmonic generation at two-color multiphoton excitation in two-dimensional hexagonal nanostructures journal, July 2019

Strong-Field Perspective on High-Harmonic Radiation from Bulk Solids
journal, November 2014

Linking high harmonics from gases and solids
journal, June 2015

Generation and propagation of high-order harmonics in crystals
journal, April 2012

The indirect to direct band gap transition in multilayered MoS ₂ as predicted by screened hybrid density functional theory
journal, December 2011

Observation of high-order harmonic generation in a bulk crystal
journal, December 2010

Extreme ultraviolet high-harmonic spectroscopy of solids
journal, May 2015

Tightly Bound Excitons in Monolayer ${WSe}_{2}$
journal, July 2014

Real-time observation of interfering crystal electrons in high-harmonic generation
journal, July 2015

High-harmonic generation from Bloch electrons in solids
journal, April 2015

Theoretical description of high-order harmonic generation in solids
journal, February 2013

Emerging Photoluminescence in Monolayer MoS₂
journal, April 2010

Spin and pseudospins in layered transition metal dichalcogenides
journal, April 2014

High harmonics generated in semiconductor nanostructures by the coupled dynamics of optical inter- and intraband excitations
journal, February 2008

Semiclassical analysis of high harmonic generation in bulk crystals
journal, February 2015

Theoretical Analysis of High-Harmonic Generation in Solids
journal, August 2014

Probing excitonic dark states in single-layer tungsten disulphide
journal, August 2014

Atomically Thin ${MoS}_{2}$ A New Direct-Gap Semiconductor
journal, September 2010

Solid-state harmonics beyond the atomic limit
journal, June 2016

Tightly bound trions in monolayer MoS2
journal, December 2012

All-Optical Reconstruction of Crystal Band Structure
journal, November 2015

Effect of multiple conduction bands on high-harmonic emission from dielectrics
journal, January 2015

The valley Hall effect in MoS2 transistors
journal, June 2014

Second harmonic microscopy of monolayer MoS $_{2}$
journal, April 2013

Sub-cycle control of terahertz high-harmonic generation by dynamical Bloch oscillations
journal, January 2014

Probing Symmetry Properties of Few-Layer MoS ₂ and h-BN by Optical Second-Harmonic Generation
journal, June 2013

Exciton Binding Energy and Nonhydrogenic Rydberg Series in Monolayer ${WS}_{2}$
journal, August 2014

High harmonic generation in undoped graphene: Interplay of inter- and intraband dynamics
journal, December 2014

Observation of intense second harmonic generation from MoS $_{2}$ atomic crystals
journal, May 2013

Berry phase effects on electronic properties
journal, July 2010

Graphene in ultrafast and superstrong laser fields
journal, January 2015

Real-time Observation of interfering Crystal electroncs in high-harmonic Generation
text, January 2015

Probing Excitonic Dark States in Single-layer Tungsten Disulfide
text, January 2014

High harmonic generation in undoped graphene: Interplay of inter- and intraband dynamics
text, January 2014

The Effect of Multiple Conduction Bands on High Harmonic Emission from Dielectrics
text, January 2014

A Simple Method for Synthesis of High-Quality Millimeter-Scale 1T′ Transition-Metal Telluride and Near-Field Nanooptical Properties
journal, August 2017

Interface Characterization and Control of 2D Materials and Heterostructures
journal, July 2018

Universal Imaging of Full Strain Tensor in 2D Crystals with Third‐Harmonic Generation
journal, March 2019

Electronic Structure Characterization of Soft Semiconductors
journal, June 2019

Photoexcitation in Solids: First-Principles Quantum Simulations by Real-Time TDDFT
journal, July 2018

Nonlinear optics of two‐dimensional transition metal dichalcogenides
journal, July 2019

Ultrahigh Off-Resonant Field Effects in Semiconductors: Ultrahigh Off-Resonant Field Effects in Semiconductors
journal, July 2017

Plasmonic Enhancement and Manipulation of Optical Nonlinearity in Monolayer Tungsten Disulfide
journal, August 2018

Strain effect on the orientation-dependent harmonic spectrum of monolayer aluminum nitride
journal, December 2019

Rapid visualization of grain boundaries in monolayer MoS2 by multiphoton microscopy
journal, June 2017

Ultra-strong nonlinear optical processes and trigonal warping in MoS2 layers
journal, October 2017

Ellipticity dependence of high-harmonic generation in solids originating from coupled intraband and interband dynamics
journal, September 2017

The roles of photo-carrier doping and driving wavelength in high harmonic generation from a semiconductor
journal, November 2017

Measurement of the Berry curvature of solids using high-harmonic spectroscopy
journal, March 2018

Generating high-order optical and spin harmonics from ferromagnetic monolayers
journal, August 2018

Extreme–ultraviolet high–harmonic generation in liquids
journal, September 2018

Interband resonant high-harmonic generation by valley polarized electron–hole pairs
journal, August 2019

High-harmonic generation from spin-polarised defects in solids
journal, January 2020

Broadband, electrically tunable third-harmonic generation in graphene
journal, May 2018

Topological strong-field physics on sub-laser-cycle timescale
journal, September 2019

Attosecond spectral singularities in solid-state high-harmonic generation
journal, January 2020

Enhanced high-harmonic generation from an all-dielectric metasurface
journal, August 2018

High-harmonic generation from solids
journal, November 2018

High-harmonic generation from an epsilon-near-zero material
journal, July 2019

Lightwave valleytronics in a monolayer of tungsten diselenide
journal, May 2018

Subcycle observation of lightwave-driven Dirac currents in a topological surface band
journal, September 2018

All semiconductor enhanced high-harmonic generation from a single nanostructured cone
journal, April 2019

Strain-controlled high harmonic generation with Dirac fermions in silicene
journal, January 2018

Strong-field nonlinear optical properties of monolayer black phosphorus
journal, January 2019

High-order harmonic generation from 2D periodic potentials in circularly and bichromatic circularly polarized laser fields
journal, October 2018

Highly nonlinear BiOBr nanoflakes for hybrid integrated photonics
journal, September 2019

Toward attosecond control of electron dynamics in two-dimensional materials
journal, January 2020

High order harmonic generation in solids: a review on recent numerical methods
journal, January 2019

Merge of high harmonic generation from gases and solids and its implications for attosecond science
journal, March 2017

Nanoengineering of strong field processes in solids
journal, March 2018

Probing periodic potential of crystals via strong-field re-scattering
journal, May 2018

Crystal symmetry and polarization of high-order harmonics in ZnO
journal, October 2019

Interaction of carrier envelope phase-stable laser pulses with graphene: the transition from the weak-field to the strong-field regime
journal, April 2019

Probing the dephasing time of crystals via spectral properties of high-order harmonic generation
journal, November 2019

Floquet-Bloch shifts in two-band semiconductors interacting with light
journal, June 2017

Effect of transition dipole phase on high-order-harmonic generation in solid materials
journal, November 2017

Orientation dependence of high-order harmonic generation in nanowire
journal, March 2019

Wave mixing and high harmonic generation at two-color multiphoton excitation in two-dimensional hexagonal nanostructures
journal, July 2019

Theory of second-order excitonic nonlinearities in transition metal dichalcogenides
journal, September 2019

Nonperturbative harmonic generation in graphene from intense midinfrared pulsed light
journal, November 2017

Two-dimensional imaging of energy bands from crystal orientation dependent higher-order harmonic spectra in $h - BN$
journal, August 2018